Double Groove 2BK57-1-1/8" Sheave

2BK Finished Bore 2 Groove Sheaves for (4L or A or 5L or B Belts) BK Sheaves are accurately machined from fine grained cast iron, statically balanced, painted and individually packaged. They are furbished with Standard Keyseats and Hollow Head Setscrews. See our data sheet to confirm dimensions. The V-Belts you that can run in this pulley are 4L, or A or 5L, B, V-Belts. The belt series most common for this pulley is the 4L and A section. Keyway not included see keyway section for ordering.